Water Heaters · Heat Pump Components
Evaporator Coil (Heat Pump Water Heater)
The coil in heat pump water heaters that absorbs heat from ambient air as refrigerant evaporates. Located in the air intake area, it can accumulate dirt, dust, and ice, reducing efficiency. Regular cleaning and proper airflow are essential for optimal performance.
Common uses
Heat absorption, air-to-refrigerant heat transfer, system efficiency
Common symptoms
- Reduced efficiency
- Ice buildup
- Poor heating
- Dirty coil
Common repairs
- Coil cleaning
- Defrosting
- Coil replacement
- Airflow improvement
Related terms
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